The satellite observatory is carrying seven additional instruments to collect a range of environmental data for studies of natural hazards, air quality, land processes and epidemiology, NASA said.
卫星观测站还肩负着其他七颗卫星的环境数据收集工作，用以研究自然灾害，空气质量，土地评估以及传染病研究，NASA表示。
The studies on geological hazards should be based on the characters of their natural and social-economic attributes, and should be treated as a systematic engineering.
地质灾害的研究必须基于其自然和社会经济的双重属性特征，并把它作为一项系统工程来研究；
The studies on geological hazards should be based on the characters of their natural and social-economic attributes, and should be treated as a systematic engineering.
地质灾害的研究必须基于其自然和社会经济的双重属性特征，并把它作为一项系统工程来研究；
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